Add MFA support

app/models/auth/User.model.js

@@ -2,6 +2,7 @@ const AuthUser = require('flitter-auth/model/User')
 const LDAP = require('ldapjs')
 
 const ActiveScope = require('../scopes/ActiveScope')
+const MFAToken = require('./MFAToken.model')
 
 /*
  * Auth user model. This inherits fields and methods from the default
@@ -21,6 +22,8 @@ class User extends AuthUser {
             email: String,
             ldap_visible: {type: Boolean, default: true},
             active: {type: Boolean, default: true},
+            mfa_token: MFAToken,
+            mfa_enabled: {type: Boolean, default: false},
         }}
     }